669426226 has 8 divisors (see below), whose sum is σ = 1147587840. Its totient is φ = 286896948.

The previous prime is 669426211. The next prime is 669426239. The reversal of 669426226 is 622624966.

669426226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23908066 + ... + 23908093.

It is an arithmetic number, because the mean of its divisors is an integer number (143448480).

Almost surely, 2^669426226 is an apocalyptic number.

669426226 is a deficient number, since it is larger than the sum of its proper divisors (478161614).

669426226 is a wasteful number, since it uses less digits than its factorization.

669426226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47816168.

The product of its digits is 373248, while the sum is 43.

The square root of 669426226 is about 25873.2724254200. The cubic root of 669426226 is about 874.7841539973.

The spelling of 669426226 in words is "six hundred sixty-nine million, four hundred twenty-six thousand, two hundred twenty-six".